package com.erbao.dp.singleton;

/**
 * 线程不安全
 * @author CaoBaoYin
 * @since 21/8/22 09:27
 */
public class Manager03 {
    private static Manager03 manager03;

    private Manager03() {
    }

    public static Manager03 getInstance(){
        if (manager03 == null) {
            manager03 = new Manager03();
        }
        return manager03;
    }
}
